Delete redundant check for node.arguments

Author: Aryan Soni

lib/ruby_lsp/ruby_lsp_rails/support/active_support_test_case_helper.rb

@@ -11,8 +11,6 @@ def extract_test_case_name(node)
         message_value = node.message
         return unless message_value == "test" || message_value == "it"
 
-        return unless node.arguments
-
         arguments = node.arguments&.arguments
         return unless arguments&.any?